diff --git a/boiler-monitor-left.yaml b/boiler-monitor-left.yaml
new file mode 100644
index 0000000..9459f4e
--- /dev/null
+++ b/boiler-monitor-left.yaml
@@ -0,0 +1,30 @@
+substitutions:
+  node_name: "cms-boiler-monitor-left"
+  node_verbose_name: "Boiler Monitor Left"
+
+packages:
+  cms: !include packages/cms-general.yaml
+  boiler2: !include
+    file: packages/modbus-boiler.yaml
+    vars:
+      controller_id: boiler2
+      sensor_name_prefix: "B2 "
+
+esp32:
+  board: lolin_s2_mini
+
+status_led:
+  pin: GPIO15
+
+uart:
+  tx_pin: 11
+  rx_pin: 10
+  baud_rate: 38400
+
+modbus:
+
+modbus_controller:
+  id: boiler2
+  address: 0x2
+  setup_priority: -10
+  update_interval: 30s